Chapter 7-Fies Within: Igneous Activity Flashcards
0
Q
Three factors that control the viscosity of magma
A
Composition
Temperature
Dissolved gases
1
Q
Characteristics of ________ determine the violence or explodsiveness of an eruption
A
Magma
2
Q
Measure of a materials resistance to flow
A
Viscosity
3
Q
Basaltic lavas=
A
Mild eruptions
4
Q
Rhyolitic or andesitic lavas=
A
Explosive eruptions
5
Q
Volcanic mudflow
A
Lahar
6
Q
Most volcanoes are located
A
Within or near ocean basins
7
Q
Basaltic rocks=
A
Oceanic and continental settings
8
Q
Granitic rocks=
A
Continental settings
